Get effective and efficient instruction on all CIA exam competencies in 2020 Wiley CIA Test Bank 2020 Part 3, Business Knowledge for Internal Auditing (1-year access) offers readers 1 year of access to practice questions for Part 3 of the Certified Internal Auditor exam. You ll be able to comprehensively prepare for the business knowledge section of the exam with challenging multiple-choice questions, as well as answer explanations.